Mohamed Ali (L) has mocked Turki al-Sheikh (R) in one of his videos (Facebook)

A senior adviser to the Saudi crown prince and owner of a Spanish football club has said he will seek to extradite Barcelona-based Egyptian whistleblower Mohamed Ali by filing a libel lawsuit against him in Spain.

Turki al-Sheikh is a senior adviser to Saudi Crown Prince Mohamed bin Salman and head of the kingdom’s Entertainment Authority. He is also the owner of the Spanish football club Almeria FC, which he acquired in August after controversially withdrawingÂ his ownership ofÂ Egyptian team Pyramids FC.

Mohamed Ali is an Egyptian businessperson and actor-turned-whistleblower, whose video statementsÂ accusing top military officials in his country of opaque and lavish expenditureÂ have gone viral since the beginning of September.

Speaking from his experience as a real estate developer, Ali revealedÂ that Egyptian President Abdel-Fattah el-Sisi has builtÂ palatial residences using public money. The accusationsÂ triggered a response from the president, who defended the policy by saying they were built â€œin the name of Egyptâ€�.

Who is Mohamed Ali? Meet the tycoon-turned-YouTube star with Sisi in his sights

Sisiâ€™s response, however, has ignited an online movement calling for his overthrow, and sparked rare protests in a country where nearly half the population lives under poverty line.

In one of his videos, Ali criticised Egyptian singers and film stars for signing contracts with Sheikh to perform in Saudi Arabia, as part of the kingdomâ€™s reforms aimed at shaking off its ultra-conservative image by becoming a regional hub for entertainment.

Ali accused the celebrities of humiliating Egypt by taking turns to sign contracts with Sheikh at a press conference in Riyadh in February.

â€œWho is that Turki? Are you signing with him merely for the sake of money? Donâ€™t you have enough money and fame?â€� he said whileÂ addressing Egyptian celebrities and condemning Saudi Arabia’s bankrolling of the Sisi government.

â€œYou are a beggar, you and your men and your media,â€� he told Sisi.

Sisi took power from his democratically elected predecessor Mohamed MorsiÂ in a 2013 military coup with Saudi backing, and his government currently receives billions in support from Riyadh.

â€œI heard there is a contractor who wanted to play the role of a hero but couldnâ€™t pull it off,â€� Sheikh wrote on Facebook on Thursday, referring to Ali.

â€œHe is unfortunately Egyptian and based in Spain. In my capacity as the owner of a club in Spain and holder of Spanish residency, and due to his transgressions and insultsÂ in one of his YouTube and Facebook clips, I have decided to take legal action with the biggest law firm in Spain,â€� he added.

‘I heard there is a contractor who wanted to play the role of a hero but couldnâ€™t pull it off’

– Turki al-Sheikh

Sheikh said he sought eventually to deport Ali to Egypt if he was found guilty.

â€œI wish I could win this case so that, who knows, maybe he will be extradited to his original country, although he doesnâ€™t seem to be original. It seems he never drank Nile water,â€� he said.

Since Aliâ€™s videos became the trending topic in Egypt, the state has attempted to counter them with pro-state propaganda, including a single by best-selling rapper and actor Mohamed Ramadan titledÂ â€œAll they want is Chaosâ€�.

Sheikh, who also writes songs as a hobby, was the latest to take part in the pro-Sisi campaign.

He announced on Thursday a new single by Amr Diab, who signed a contract with him in February, titled â€œI am in love with you, Egyptâ€�.

The video clip begins and ends with pictures of SisiÂ with Sheikh next to him.

Mohamed Ali (L) has mocked Turki al-Sheikh (R) in one of his videos (Facebook)

A senior adviser to the Saudi crown prince and owner of a Spanish football club has said he will seek to extradite Barcelona-based Egyptian whistleblower Mohamed Ali by filing a libel lawsuit against him in Spain.

Turki al-Sheikh is a senior adviser to Saudi Crown Prince Mohamed bin Salman and head of the kingdom’s Entertainment Authority. He is also the owner of the Spanish football club Almeria FC, which he acquired in August after controversially withdrawingÂ his ownership ofÂ Egyptian team Pyramids FC.

Mohamed Ali is an Egyptian businessperson and actor-turned-whistleblower, whose video statementsÂ accusing top military officials in his country of opaque and lavish expenditureÂ have gone viral since the beginning of September.

Speaking from his experience as a real estate developer, Ali revealedÂ that Egyptian President Abdel-Fattah el-Sisi has builtÂ palatial residences using public money. The accusationsÂ triggered a response from the president, who defended the policy by saying they were built â€œin the name of Egyptâ€�.

Who is Mohamed Ali? Meet the tycoon-turned-YouTube star with Sisi in his sights

Sisiâ€™s response, however, has ignited an online movement calling for his overthrow, and sparked rare protests in a country where nearly half the population lives under poverty line.

In one of his videos, Ali criticised Egyptian singers and film stars for signing contracts with Sheikh to perform in Saudi Arabia, as part of the kingdomâ€™s reforms aimed at shaking off its ultra-conservative image by becoming a regional hub for entertainment.

Ali accused the celebrities of humiliating Egypt by taking turns to sign contracts with Sheikh at a press conference in Riyadh in February.

â€œWho is that Turki? Are you signing with him merely for the sake of money? Donâ€™t you have enough money and fame?â€� he said whileÂ addressing Egyptian celebrities and condemning Saudi Arabia’s bankrolling of the Sisi government.

â€œYou are a beggar, you and your men and your media,â€� he told Sisi.

Sisi took power from his democratically elected predecessor Mohamed MorsiÂ in a 2013 military coup with Saudi backing, and his government currently receives billions in support from Riyadh.

â€œI heard there is a contractor who wanted to play the role of a hero but couldnâ€™t pull it off,â€� Sheikh wrote on Facebook on Thursday, referring to Ali.

â€œHe is unfortunately Egyptian and based in Spain. In my capacity as the owner of a club in Spain and holder of Spanish residency, and due to his transgressions and insultsÂ in one of his YouTube and Facebook clips, I have decided to take legal action with the biggest law firm in Spain,â€� he added.

‘I heard there is a contractor who wanted to play the role of a hero but couldnâ€™t pull it off’

– Turki al-Sheikh

Sheikh said he sought eventually to deport Ali to Egypt if he was found guilty.

â€œI wish I could win this case so that, who knows, maybe he will be extradited to his original country, although he doesnâ€™t seem to be original. It seems he never drank Nile water,â€� he said.

Since Aliâ€™s videos became the trending topic in Egypt, the state has attempted to counter them with pro-state propaganda, including a single by best-selling rapper and actor Mohamed Ramadan titledÂ â€œAll they want is Chaosâ€�.

Sheikh, who also writes songs as a hobby, was the latest to take part in the pro-Sisi campaign.

He announced on Thursday a new single by Amr Diab, who signed a contract with him in February, titled â€œI am in love with you, Egyptâ€�.

The video clip begins and ends with pictures of SisiÂ with Sheikh next to him.